Hire Xamarin Developers

Hire Xamarin app developers to build modern cross-platform applications and design a customer-centric user interface (UI)/user experience (UX).

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Xamarin app development services

IOS application development

We leverage the model–view–controller (MVC), model–view–viewmodel (MVVM), and reactive programming approaches to build user-friendly applications with unique architectures and intuitive user experiences. Hire dedicated Xamarin developers at Altoros to get your application featured on the App Store.

Android application development

As an app development company with the Xamarin expertise, we use the clean architecture methodology to build reliable and scalable apps that address business needs. Following such best practices as the lean UX model, reusable design patterns, multivariate testing, etc., we build applications that are subsequently featured on the Google Play Store.

Cross-platform development

Hire dedicated Xamarin developers at Altoros to build a single application that runs on iOS, Android, and Windows, considerably reducing time to market, as well as lowering the effort needed for development and maintenance.

Consulting services

As an application development company with the Xamarin expertise, we provide consulting services that help customers to turn business ideas into highly performant applications. Experts at Altoros will assess the existing system, identify bottlenecks, recommend a set of tools and technologies to fit the project requirements, outline areas for improvement, and deliver an implementation roadmap.

Migration to Xamarin

Hire Xamarin app developers at Altoros to migrate existing applications to a modern technology stack while avoiding downtime, data loss, security issues, etc.

Support and maintenance

Our dedicated Xamarin development team is available 24/7 to provide instant monitoring and effective troubleshooting of your apps.

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Why choose Altoros as a Xamarin development partner?

We can extend the in-house talent with an entire dedicated team or an individual developer on demand to match customer requirements.

Senior engineers with 5+ years of experience in building mobile apps comprise over 80% of our team.

56% of our customers came via a recommendation, which demonstrates high satisfaction with our services.

Featured among top Android and iOS developers by Clutch.

We can onboard new engineers in just 72 hours from contract signing, enabling customers to quickly scale the team up and down according to the project needs.

By employing an effective risk management strategy, we enable the in-house engineering team to focus on development tasks instead of troubleshooting.

Want to know the cost of Xamarin app development with our company?

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Our customers


Our customers speak

Since the company's foundation in 2001, Altoros has gone a long way to build a team of full-stack developers with solid technology expertise that has received a lot of positive customer testimonials.

Our customer satisfaction rate is95%according to our NPS surveys held on a 3-month basis. Learn more about our customers.




“I would definitely recommend Altoros for software development projects. It has been a pleasure working with them. There is a huge commitment from the team. The code quality and communication are top-notch. Absolutely would recommend hiring Altoros for software needs.”

Landon Swan, Co-founder of Likefolio




“The remit of the Altoros ops folks is to locate and stabilize a malfunctioning service and report it to the engineering team. If they can't stabilize it, they have permission to wake us up, but that's only happened once.”

Laurie Voss, Cofounder and COO at npm



Doubled our customer base and rolled out several new product lines

“In collaboration with our in-house team, our Altoros contractors swiftly identified and articulated critical paths against our roadmap. Altoros contractors were able to dive in from day one and meaningfully contribute to our engineering organization.”

Alex Scott, Co-founder at Revere

With Xamarin, you get the following advantages:

Cross-platform capabilities

Seamlessly port custom functionality written in C# to iOS, Android, Windows, macOS, or Linux, eliminating code redundancy or inconsistency.

Unparalleled performance

By efficiently utilizing native functionality of a mobile device (storage, GPS, etc.), Xamarine-based apps ensure optimized performance across the Android/iOS operating systems.

A single codebase

As an app development company with the Xamarin expertise, we deliver a single codebase responsible for consistently executing the same business logic across major platforms.

Faster upgrades

Achieve ease of maintenance by synchronizing and deploying updates or fixes across multiple platforms, thus saving time and minimizing manual effort.

Frequently asked questions

  • Is security a concern with Xamarin?

    Xamarin's versatility does not come at the cost of security. In fact, Xamarin frameworks are renowned for their security and are highly regarded in the tech community.

  • What is the cost of building a Xamarin application?

    The cost of a Xamarin application depends on the size and complexity of the project. Our Xamarin app development services are affordable and transparent, with no hidden costs or overcharging.

  • Is Xamarin faster than Flutter?

    Xamarin offers better development tools than Flutter, making it ideal for projects that require rapid development. While Xamarin has the advantages of an established framework, Flutter keeps pace with its community-focused approach. The choice between the two cross-platform frameworks depends on your project's use case, goals, and needs.

  • Why do I need cross-platform application development?

    Cross-platform application development with Xamarin allows you to efficiently and cost-effectively reach your target audience across multiple platforms while providing a native user interface. A visually appealing Xamarin app can help increase conversion rates and promote customer loyalty.

  • How can Xamarin benefit my business?

    Xamarin can benefit your business in several ways, including providing a standardized, intuitive interface for your clients, ensuring native performance, seamless API integration, and thorough cloud testing to ensure the solution is bug-free and works flawlessly on a wide range of devices.

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Alex Tsimashenka
Business Development Director
+1 (650) 419-3379